diff --git a/templates/sysctl.d-file.erb b/templates/sysctl.d-file.erb
index 0d4863c..fa4e46e 100644
--- a/templates/sysctl.d-file.erb
+++ b/templates/sysctl.d-file.erb
@@ -1,3 +1,5 @@
+### File managed with puppet ###
+
 <% if @comment.is_a?(Array) -%>
 <% @comment.each do |line| -%>
 # <%= line %>